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BU21028FV-M Scheda tecnica(PDF) 3 Page - Rohm |
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BU21028FV-M Scheda tecnica(HTML) 3 Page - Rohm |
3 / 36 page 3/32 TSZ02201-0L5L0F300720-1-2 © 2016 ROHM Co., Ltd. All rights reserved. 27.May.2016 Rev.002 www.rohm.com TSZ22111 • 15 • 001 BU21028FV-M Pin Configuration(s) Pin Description(s) (TOP VIEW) (Note1) Connect AD1 to GND. (Note2) SCL and SDA need a pull-up resistor greater than 2.2kΩ. (Note3) Bypass VREF, DVDD_IN, DVDD_OUT to GND with a 1.0uF capacitor and do not connect to the supply. (Note4) Non-connect internal. Please connect to GND or OPEN. Equivalent Circuit Pin No Pin Name I/O Description Equivalent circuit 1 GNDP - Ground for touch screen drivers - 2 AD0 I Slave address input bit0 A 3 (NC) - - (Note4) - 4 AD1 I Test input (Note1) A 5 SDA I/O Serial data (Note2) C 6 SCL I Serial clock (Note2) C 7 INT O Interrupt output. Pin polarity with active low. B 8 RSTB I System reset A 9 DVDD_IN - Regulator input for control logic. (Note3) - 10 VDD - Power supply - 11 GND - Ground - 12 VREF - Regulator input for control logic. (Note3) - 13 (NC) - - (Note4) - 14 DVDD_OUT - Regulator output for control logic. (Note3) - 15 VDDP - Power supply for touch screen drivers. - 16 AUX I Auxiliary channel input D 17 XP I/O XP channel input D 18 YP I/O YP channel input D 19 XN I/O XN channel input D 20 YN I/O YN channel input D PAD PAD PAD PAD Figure A. Figure B. Figure C. Figure D. Pin Description(s) 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 XP YP XN YN GNDP AD0 (NC) AD1 SDA SCL INT RSTB DVDD_IN VDD AUX VDDP DVDD_OUT (NC) VREF GND |
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Descrizione simile - BU21028FV-M |
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